Fig. 5From: 4-aroylpiperidines and 4-(α-hydroxyphenyl)piperidines as selective sigma-1 receptor ligands: synthesis, preliminary pharmacological evaluation and computational studiesMEP maps for a spipethiane and the most potent σ1 ligand 7e, b spipethiane and the least potent σ1 ligand 8d and c the most potent 7e and its corresponding alcohol, 8e Back to article page